26427731620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7639}}^1\times {\mathrm{4219}}^1$

素因数の和:11908

約数の個数: 48

約数和(自身を含む): 56872771200

約数和(自身を除く): 30445039580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4219, 7639, 8438, 15278, 16876, 21095, 30556, 38195, 42190, 76390, 84380, 152780, 172979, 313199, 345958, 626398, 691916, 864895, 1252796, 1565995, 1729790, 3131990, 3459580, 6263980, 32228941, 64457882, 128915764, 161144705, 322289410, 644578820, 1321386581, 2642773162, 5285546324, 6606932905, 13213865810, 26427731620]

約数ペア:

[(1, 26427731620), (2, 13213865810), (4, 6606932905), (5, 5285546324), (10, 2642773162), (20, 1321386581), (41, 644578820), (82, 322289410), (164, 161144705), (205, 128915764), (410, 64457882), (820, 32228941), (4219, 6263980), (7639, 3459580), (8438, 3131990), (15278, 1729790), (16876, 1565995), (21095, 1252796), (30556, 864895), (38195, 691916), (42190, 626398), (76390, 345958), (84380, 313199), (152780, 172979)]